JIANGSU GREEN UNION SCIENCE INSTRUMENT CO.,LTD

        Afew dyes with azo structure may produce twenty-four carcinogenic Aromaticamine during chemical reaction decomposition, which are banned by the EU.Accord-ing to the national standard GBT17592-2006 Determination of banned azo dyes fortextiles, Green Union reduced and decomposed textile samples in citrate buffer solu-tion medium with Sodium dithionite to produce possible banned Aromatic amine,ex-tracted Aromatic amine in the solution with GREEN MALL special column for Azo dye,concentrated, fixed volume with appropriate organic solvent, and determined byGC/Ms.